Added RUCollectionViewFlowLayout_ContentSizeAdjustForMinimumLineSpacing.
Added UIImage+RUSaveToAssetsLibrary.
Added RUSlideMenuNavigationController. Haven't finished implementing protocol based views.
 - Created UINavigationController+RUColoredStatusBarView.
 - RUSlideMenuNavigationController now supports views from its current view controller.
- Added UIApplication+RUOpenUrl.
- Grouped together UIApplication categories.
Merge branch 'development' of https://github.com/Resplendent/ResplendentUtilities into development